Home / 18,717.84-27,939.78-16,503.60

Finding the Fourth Proportional to 18,717.84, 27,939.78 and 16,503.60

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Solution

The fourth proportional to 18,717.84, 27,939.78 and 16,503.60 is: 24,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.84 : 27,939.78 = 16,503.60 : x
  2. Step 2: Convert to fraction form
    18,717.84/27,939.78 = 16,503.60/x
  3. Step 3: Cross multiply
    18,717.84x = 27,939.78 × 16,503.60
  4. Step 4: Simplify right side
    18,717.84x = 461,106,953.21
  5. Step 5: Solve for x
    x = 461,106,953.21/18,717.84
  6. Step 6: Final answer
    x = 24,634.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.